diff --git a/tests/libtest/lib1536.c b/tests/libtest/lib1536.c
index 96725c751..7f5b61499 100644
--- a/tests/libtest/lib1536.c
+++ b/tests/libtest/lib1536.c
@@ -72,7 +72,8 @@ int test(char *URL)
   if(memcmp(scheme, "HTTP", 5) != 0) {
     fprintf(stderr, "%s:%d scheme of http resource is incorrect; "
             "expected 'HTTP' but is %s\n",
-            __FILE__, __LINE__, CURLPROTO_HTTP, (scheme == NULL ? "NULL" : "invalid"));
+            __FILE__, __LINE__, CURLPROTO_HTTP,
+            (scheme == NULL ? "NULL" : "invalid"));
     res = CURLE_HTTP_RETURNED_ERROR;
     goto test_cleanup;
   }